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Toshiba W-614R Service Manual

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FILE NO. 120-200178
SERVICE MANUAL
VIDEO CASSETTE RECORDER
W-614R
JUN, 2001

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Summary of Contents for Toshiba W-614R

  • Page 1 FILE NO. 120-200178 SERVICE MANUAL VIDEO CASSETTE RECORDER W-614R JUN, 2001...
  • Page 2 TOTAL CONTENTS 1. Precautions 2. Reference Information 3. Product Specifications 4. Disassembly and Reassembly 5. Alignment and Adjustment 6. Exploded View 7. Replacement Parts List 8. Block Diagram 9. PCB Diagrams 10. Schematic Diagrams...
  • Page 3 Alternatively, wear a discharging Wrist-strap device. (Be sure to remove it prior to applying power--this is an electric shock precaution.) Toshiba...
  • Page 4 Always inspect for pinched, out- of-place, or frayed wiring. Do not change the spacing between components and the printed circuit board. Check the AC power cord for damage. Make sure that leads and components do not touch thermally hot parts. Toshiba...
  • Page 5 2. Reference Information 2-1 Operation of Controls Toshiba...
  • Page 6 Reference Information Toshiba...
  • Page 7 Reference Information Toshiba...
  • Page 8 Reference Information Toshiba...
  • Page 9 Reference Information Toshiba...
  • Page 10 Reference Information Toshiba...
  • Page 11 Reference Information Toshiba...
  • Page 12 Reference Information Toshiba...
  • Page 13 Reference Information Toshiba...
  • Page 14 Reference Information 2-10 Toshiba...
  • Page 15 Reference Information Toshiba 2-11...
  • Page 16 Reference Information 2-12 Toshiba...
  • Page 17 Reference Information Toshiba 2-13...
  • Page 18 Reference Information 2-2 IC Blocks 2-2-1 IC301 (LA71200M) 2-14 Toshiba...
  • Page 19 Reference Information 2-2-2 IC501 (AN3662FBP) Toshiba 2-15...
  • Page 20 Reference Information 2-2-3 IC601 (MN101D02D) 2-16 Toshiba...
  • Page 21 Line input : 308 mV(rms), more than 47 Kohm, pin jack Audio output Line input : 308 mV(rms), less than 47 Kohm, pin jack Audio frequency range(Hi-Fi) 20Hz - 20KHz Audio dynamic range(Hi-Fi) 68dB Utilization conditions Temperature : 5°C to 40°C Humidity : less than RH 80% Toshiba...
  • Page 22 Ass'y Function A up. Disconnect the CN703 from the Ass'y PCB-Main and then lift the Ass'y Function B up. ´ RELEASE 3 HOOKS (Bottom View) Fig. 4-2 Ass’y Front Panel Removal CN701 CN703 Fig. 4-3 Ass’y Function A/B Removal Toshiba...
  • Page 23 4-1-4 Chassis Removal ¨ FLAT CABLE ˆ FLAT CABLE ˇ 3 SCREWS Ø CONNECTOR ˝ ASS'Y-DECK ’ ASS'Y MAIN-PCB Œ 2 SCREWS ∏ RELEASE HOOK ASSEMBLY POINT (ALIGN TWO ARROWS) ´ BRACKET-FRAME ” RELEASE HOOK Fig. 4-4 Chassis Removal Toshiba...
  • Page 24 4-2-1 Top View Œ ´ ˇ ¨ ˆ Ø Fig. 4-5 Top parts Location-1 Œ GEAR FL CAM ´ MOTOR LOADING ASS’Y ˇ LEVER FL ARM ASS’Y ¨ HOLDER FL CASSETTE ASS’Y ˆ LEVER FL DOOR Ø SLIDER FL DRIVE Toshiba...
  • Page 25 ´ CYLINDER ASS’Y ˝ GEAR IDLE ˇ ACE HEAD ASS’Y Ô LEVER IDLE ¨ LEVER UNIT PINCH ASS’Y  LEVER T BRAKE ASS’Y ˆ LEVER #9 GUIDE ASS’Y Ò DISK T REEL Ø LEVER TENSION ASS’Y ∏ BAND BRAKE ASS’Y Toshiba...
  • Page 26 Œ GEAR JOINT 1 ´ GEAR JOINT 2 ˇ BRACKET GEAR ¨ MOTOR CAPSTAN ASS’Y ˆ LEVER T LOAD ASS’Y Ø GEAR LOADING DRIVE ∏ LEVER S LOAD ASS’Y ” HOLDER CLUTCH ASS’Y ’ BELT PULLEY ˝ SLIDER CAM Toshiba...
  • Page 27 Lever FL Cassette-R ´ at disassembling and "B" reassembling. ´ LEVER FL DOOR ˇ HOOK "C" Fig. 4-8 Lever FL Door Removal RAIL [B] Œ HOLDER FL ´ LEVER FL CASSETTEE -R CASSETTEE ASS`Y "A" BOSS [A] Fig. 4-9 Holder FL Cassette Ass’y Removal Toshiba...
  • Page 28 Œ LEVER FL ARM ASS`Y Fig. 4-12 Lever FL Arm Ass’y Removal ´ GEAR FL CAM Œ SLIDER FL DRIVE Fig. 4-10 Slider FL Drive Removal Œ GEAR FL CAM GEAR WORM WHEEL POST TIMING POINT Fig. 4-11 Gear FL Cam, Gear Worm Toshiba...
  • Page 29 1) Remove the screw Œ. 1) Remove the Gear Worm wheel Œ. 2) Remove the Motor Loading Ass’y ´. ´ MOTOR LOADING ASS`Y Œ SCREW Œ GEAR WORM WHEEL Fig. 4-14 Motor Loading Ass’y Removal Fig. 4-13 Gear Worm Wheel Removal Toshiba...
  • Page 30 Fig. 4-15 Bracket Gear, Gear Joint 1,2 Removal Fig. 4-17 Gear Loading Drive, Slider Cam, Lever T, S Load Ass’y Removal Œ GEAR JOINT1 ´ GEAR JOINT2 ˇ SLIDER CAM TIMING POINT 2 TIMING POINT 1 Fig. 4-16 Gear Joint 1,2 Assembly Toshiba...
  • Page 31 LEVER LOAD T LEVER LOAD S Lever Tension Drive Removal TIMING POINT 2 TIMING POINT 3 PIN A PIN C PIN D PIN B ˇ SLIDER CAM Fig. 4-18 Gear Loading Drive, Slider Cam, Lever Load S, T Ass’y Assembly Toshiba 4-10...
  • Page 32 Œ SPRING TENTION LEVER ˇ SPRING BRAKE STOPPER "A" Œ LEVER S BRAKE ASS`Y MARK[B] HOOK(C) HOOK(B) ´ LEVER T BRAKE ASS`Y Fig. 4-20 Lever Tension Ass’y, Band Brake Ass’y Removal Fig. 4-21 Lever Brake S, T Ass’y Removal 4-11 Toshiba...
  • Page 33 ´ DISK T REEL add oil in the boss of Lever Idle Œ. "A" Œ LEVER IDLE ´ GEAR IDLE "B" ´ GEAR IDLE HOOK "C" Fig. 4-23 Disk S, T Reel Removal Fig. 4-22 Gear Idle Ass’y Removal Toshiba 4-12...
  • Page 34 Fig. 4-25 Lever Up Down Ass’y Removal DETAIL B SPRING GEAR CENTER ASS'Y GUIDE LEVER UP DOWN ASS'Y RING GEAR <GOOD> <BAD> POST HOOK Fig. 4-24 Holder Clutch Ass’y Removal MAIN BASE Fig. 4-26 Lever Up Down Ass’y Removal 4-13 Toshiba...
  • Page 35 Œ GUIDE CASSETTE DOOR Œ LEVER UNIT PINCH ASS`Y HOOK [A] ´ PLATE JOINT ˇ SPRING PINCH DRIVE Fig. 4-27 Guide Cassette Door Removal Fig. 4-28 Lever Unit Pinch Ass’y, Plate Joint, Spring Pinch Drive Removal Toshiba 4-14...
  • Page 36 2) After reinstalling, check the bottom side of the Post #9 Guide to the top side of Main Base. "A" Œ SPRING #9 GUIDE ´ LEVER #9 GUIDE ASS`Y "B" Fig. 4-30 FE Head Removal Fig. 4-29 Lever #9 Guide Ass’y Removal 4-15 Toshiba...
  • Page 37 2) Remove the screw Œ. 3) Lift the ACE Head Ass’y ´. Œ SLIDER S ASS`Y Œ SCREW ´ SLIDER T ASS`Y ´ HEAD ACE ASS`Y Fig. 4-32 Slider S, T Ass’y Removal Fig. 4-31 ACE Head Removal Toshiba 4-16...
  • Page 38 1) Release the Hook Œ. 2) Lift the Lever Head Cleaner Ass’y ´. ´ LEVER HEAD CLEANER ASS'Y Œ HOOK SLEEVE-HEAD CLEANER ˇ CYLINDER ASS'Y Fig. 4-33 Plate Ground Deck, Cylinder Ass’y Removal Fig. 4-35 Level Head Cleaner Ass’y Removal 4-17 Toshiba...
  • Page 39 3) Rotate Gear Worm Œ clockwise using screw driver again up to the state of eject mode and then pick out the tape.(Refer to Fig. 4-37) ˇ MOTOR CAPSTAN ASS'Y Fig. 4-36 Damper Capstan,Motor Capstan Ass’y Removal FRAME Fig. 4-38 Toshiba 4-18...
  • Page 40 ∆ CAPSTAN MOTOR PULLEY BELT PULLEY ∆ HOLDER CLUTCH ASS’Y GEAR CENTER ASS’Y GEAR IDLE (2Point) LOADING MOTOR BAND BRAKE ASS’Y BRAKE T ASS’Y ◆ : Add Oil ∆ : Cleaning O : Check and replacement in necessary 4-19 Toshiba...
  • Page 41 - If the corresponding adjustment button is pressed, the adjustment is preformed automatically. - If the adjustment is completed, be sure to turn the power off. 5-1-1 Location of adjustment button of remote control X-Point (Tracking Center) Adjustment Head Switching Adjustment NVRAM Option Setting Fig. 5-1 Toshiba...
  • Page 42 Alignment and Adjustment 5-1-2 Test point location for adjustment mode setting Short-Circuit for few seconds and release. (Just one time) Fig. 5-2 Main PCB (Top View) Toshiba...
  • Page 43 Fig. 5-3 Location of Tape Transport Adjustment PINCH ROLLER FE HEAD CYLINDER ASS'Y GUIDE ROLLER "S" GUIDE ROLLER "T" POST TENSION #8 GUIDE POST #9 GUIDE POST #3 GUIDE POST MAIN BASE ACE HEAD CAPSTAN SHAFT Fig. 5-4 Tape Travel Diagram Toshiba...
  • Page 44 Test point : TP601 (Control Pulse) TP602 (H’D S/W -Trigger) TP301 (Envelope) TP302 (Audio output) TP303 (Video output) Test tape : ST-N1 BLANK TAPE : T-160 AUDIO OUTPUT ENVELOPE HEAD SWITCHING Fig. 5-5 Location of Test point (Main PCB-Top View) Toshiba...
  • Page 45 4) Connect the CH-1 probe to TP301 (Envelope) the CH-2 probe to TP602 (H’D switching pulse) and then trigger to CH-1. 5) Insert the (-) driver into the X-Point adjustment hole and adjust it so that envelope wavwform is maximum. 6) Turn the Power off. Toshiba...
  • Page 46 ) driver to obtain a flat video RF envelope as shown in Fig. 5-11. IDEAL ENVELOPE S HEIGHT TOO HIGH S HEIGHT TOO LOW T HEIGHT TOO HIGH T HEIGHT TOO LOW GUIDE ROLLER S GUIDE ROLLER T Fig. 5-11 Guide Roller S, T Height Adjustment Toshiba...
  • Page 47 3) Brake is operated by slider cam at FF/REW mode. 4) Transportation of accurate driving force is done by gears. (Gear Center Ass’y) Note : If the spec. does not meet the followings speci- fications, replace the holder clutch ass’y and then recheck. Toshiba...
  • Page 48 17 18 19 20 21 22 23 24 17 18 19 20 21 22 23 24 ENTER : SAVE ENTER : SAVE Fig. 5-14 Fig. 5-15 <Table 5-2> MODEL OPTION NUMBER W-614R 2, 3, 6, 10, 11, 14, 15, 18, 21, 23 Toshiba...
  • Page 49 6-3 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - - - - - - - - 6-4 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - - - - - - - - Toshiba...

  • Page 50: Packing Assembly

    Exploded View 6-1 Packing Assembly Y102 Y101 UT01 A702 A702 A701 Toshiba...

  • Page 51: Instrument Assembly

    Exploded View 6-2 Instrument Assembly Toshiba...

  • Page 52: Mechanical Parts (Top Side)

    6-3 Mechanical Parts (Top Side) G001 K490 K502 K530 G555 B473 G530 B474 G450 G510 G680 G420 G480 (OPTIONAL) K546 K250 K240 (OPTIONAL) K248 B575 G681 B410 K350 K110 B440 K182 B448 K340 K330 B452 G546 K470 K140 K188 G527 G520 G070 G060 Toshiba...

  • Page 53: Mechanical Parts (Bottom Side)

    Exploded View 6-4 Mechanical Parts (Bottom Side) G542 B462 B456 B560 B460 B500 B458 B464 B488 B501 B489 B484 B468 K222 K200 K225 K221 B478 B570 Toshiba...
  • Page 54 7. Replacement Parts List Loc.No. TSB Parts No. Reference No. Description ; Specification Remark -PACKING PARTS - A701 BY731040 AC69-00039W PACKING CASE;W-614R/TSB,SW2MA+LAMI,-,-,3 A702 BY730463 AC69-00040A CUSHION-F/B;M-686,EPS,-,-,-,-,- UT01 BY731047 AC59-00019K REMOCON-ASSY;VC-617T,TSB,HI-FI,-,-,-,-,- Y101 BY634641 AC68-01199A MANUAL USERS;W-614S,TSB,ENGLISH,-,-,-,-, Y102 BY634274 AC39-42001J CABLE-RF ASSY;#1365,-,1.2MT,75-75OHM,-,-...
  • Page 55 < DIODES > D1P101 70796385 0402-000127 DIODE-RECTIFIER;1N4002,100V,1A,DO-41,TP D1P102 70796385 0402-000127 DIODE-RECTIFIER;1N4002,100V,1A,DO-41,TP D1P106 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D1P108 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D1P109 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D1SD01 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D1SD02 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D1SR01 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D1SR02 70795150 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, Toshiba...
  • Page 56 BY130204 2301-000180 C-FILM,PEF;18nF,0.05,100V,TP,7.2x4.5x8.0 C1SR07 BY130272 2305-001021 C-FILM,MPEF;100nF,20%,275V,TP,17.5x7x13. C1SS01 BY130187 2401-003137 C-AL;330UF,20%,50V,WT,TP,10X16MM,5 C1SS03 BY130216 2201-000812 C-CERAMIC,DISC;2.2nF,20%,400V,Y5U,BK,12. C1SS04 70795404 2201-000916 C-CERAMIC,DISC;100pF,10%,400V,Y5U,TP,10x C1SS06 70795431 2401-000385 C-AL;10uF,20%,100V,GP,TP,6.3x11,5 C1SS07 70796014 2401-002162 C-AL;1000uF,20%,25V,WT,TP,10x20,5mm C1SS08 BY130045 2401-001126 C-AL;330uF,20%,25V,WT,TP,10x12.5,5 C1SS10 BY130015 2401-001479 C-AL;470uF,20%,10V,GP,TP,-,- C1SS11 70796098 2301-000129 C-FILM,PEF;100nF,5%,50V,TP,10X9X4.3X5,5m Toshiba...
  • Page 57 70796207 2203-001557 C-CERAMIC,CHIP;100nF,+80-20%,25V,Y5V,TP, C502 BY130273 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 C503 BY130206 2401-001254 C-AL;4.7uF,20%,35V,GP,TP,4x7,5 C504 BY130273 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 C505 BY130206 2401-001254 C-AL;4.7uF,20%,35V,GP,TP,4x7,5 C506 BY130042 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 C507 BY130277 2401-001169 C-AL;33uF,20%,16V,GP,-,6.3x7,2.5mm C508 BY130273 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 C509 BY130273 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 C510 BY130082 2301-000224 C-FILM,PEF;22nF,5%,50V,TP,7.4x3.9x13mm,5 Toshiba...
  • Page 58 C644 BY130039 2203-005549 C-CERAMIC,CHIP MELF;10nF,+80-20%,16V,Y5V C646 70796207 2203-001557 C-CERAMIC,CHIP;100nF,+80-20%,25V,Y5V,TP, C647 70796207 2203-001557 C-CERAMIC,CHIP;100nF,+80-20%,25V,Y5V,TP, C648 70796207 2203-001557 C-CERAMIC,CHIP;100nF,+80-20%,25V,Y5V,TP, C649 70795247 2203-001591 C-CERAMIC,CHIP MELF;1NF,20%,25V,Y5S,TP,2 C650 BY130029 2203-000727 C-CERAMIC,CHIP;3.9nF,10%,50V,X7R,TP,2012 C651 BY130029 2203-000727 C-CERAMIC,CHIP;3.9nF,10%,50V,X7R,TP,2012 C652 BY130039 2203-005549 C-CERAMIC,CHIP MELF;10nF,+80-20%,16V,Y5V C653 BY130004 2203-000575 C-CERAMIC,CHIP;220NF,10%,25V,X7R,TP,2012 Toshiba...
  • Page 59 70795233 2007-001623 R-CHIP,MELF;10Kohm,5%,1/8W,DB,BK,2012 R343 70795224 2007-001495 R-CHIP,MELF;510OHM,5%,1/8W,DB,BK,2012 R344 70795224 2007-001495 R-CHIP,MELF;510OHM,5%,1/8W,DB,BK,2012 R345 70796371 2007-001474 R-CHIP,MELF;680OHM,5%,1/8W,DB,BK,2012 R346 70796371 2007-001474 R-CHIP,MELF;680OHM,5%,1/8W,DB,BK,2012 R401 70796198 2007-001505 R-CHIP,MELF;470OHM,5%,1/8W,DB,BK,2012 R402 70796198 2007-001505 R-CHIP,MELF;470OHM,5%,1/8W,DB,BK,2012 R501 70795215 2007-001497 R-CHIP,MELF;5.6KOHM,5%,1/8W,DB,BK,2012 R503 70795215 2007-001497 R-CHIP,MELF;5.6KOHM,5%,1/8W,DB,BK,2012 R506 70795209 2007-001534 R-CHIP,MELF;33KOHM,5%,1/8W,DB,BK,2012 Toshiba...
  • Page 60 70795005 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R692 70795005 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R6B01 70796025 2001-000458 R-CARBON;2.2OHM,5%,1/8W,AA,TP,1.8X3.2MM R6F2 70795041 2001-000786 R-CARBON;47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R6F3 70795215 2007-001497 R-CHIP,MELF;5.6KOHM,5%,1/8W,DB,BK,2012 R6F4 70795215 2007-001497 R-CHIP,MELF;5.6KOHM,5%,1/8W,DB,BK,2012 R701 70795210 2007-001584 R-CHIP,MELF;2.2Kohm,5%,1/8W,DB,BK,2012 R702 70795210 2007-001584 R-CHIP,MELF;2.2Kohm,5%,1/8W,DB,BK,2012 R703 70795233 2007-001623 R-CHIP,MELF;10Kohm,5%,1/8W,DB,BK,2012 R704 70795020 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2M Toshiba...
  • Page 61 BY632001 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST SW7W06 BY632001 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST SW7W07 BY632001 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST SW7W08 BY632001 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST SW7W09 BY632001 3404-000165 SWITCH-TACT;12V,50mA,160gf,6x6mm,SPST TM401 BY634275 AC40-00007A TM-BLOCK;115VD025AP,NTSC-M,115VD025AP,Y VA1SS1 BY634022 1405-001026 VARISTOR;470V,600A,9x7mm,TP XT301 BY633004 2801-003610 CRYSTAL-UNIT;3.579545MHz,8ppm,28-AAA,S,1 XT601 70796216 2801-001384 CRYSTAL-UNIT;14.31818MHz,30ppm,28-AAA,16 XT602 BY633003 2801-003318 CRYSTAL-UNIT;32.768KHz,20ppm,28-AAP,12.5 Toshiba...
  • Page 62 8. Block Diagram Toshiba...
  • Page 63 9-3 Function-B - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Toshiba...
  • Page 64 PCB Diagrams 9-1 Main Toshiba...
  • Page 65 PCB Diagrams Toshiba...
  • Page 66 PCB Diagrams 9-2 Function-A 9-3 Function-B Toshiba...

  • Page 67: Table Of Contents

    10-6 Display - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10-8 Toshiba 10-1...

  • Page 68: Block Identification Of Main Pcb

    Important safety notices : Components identified with the mark have the special characteristics for safety. When replacing any of these components. Use only the same type. ◆ Block Identification of Main PCB Component Side Conductor Side 10-2 Toshiba...

  • Page 69: S.m.p.s./Power

    Schematic Diagrams 10-1 S.M.P.S./Power Toshiba 10-3...

  • Page 70: Logic

    Schematic Diagrams 10-2 Logic 10-4 Toshiba...

  • Page 71: A/V

    Schematic Diagrams 10-3 A/V Toshiba 10-5...

  • Page 72: Hi-Fi

    Schematic Diagrams 10-4 Hi-Fi 10-6 Toshiba...

  • Page 73: Tm-Block/Input-Output

    Schematic Diagrams 10-5 TM-Block/Input-Ouput Toshiba 10-7...

  • Page 74: Display

    Schematic Diagrams 10-6 Display 10-8 Toshiba...
  • Page 75 TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

Table of Contents